00310nam a2200121 a 450000500170000002000150001708200170003210000220004924500380007126000340010930000260014350000190016920251203090505.0  a0198545908  a577.028bHAN  aClarke,Robin ed.,  aHandbook of ecological monitoring  aOxfordbClarendon Pressc1986  axvi, 298p.c22 cmbHB  aincludes index